#include<bits/stdc++.h>
using namespace std;
int n,a[100010],b[1000010],w;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
		scanf("%d",&a[i]);
		b[a[i]]++;
	}
	for(int i=100010;i>0;i--){
	     w=max(w,b[i]);
	}
	cout<<w;
    return 0;
}
